GINgroup founder and CEO Raúl Beyruti Sánchez. Photo: GINgroup By THÉRÈSE MARGOLIS Raúl Beyruti Sánchez is Mexico’s quintessential self-made man. His first job was that of a janitor in a printing factory in the coastal state of Veracruz, where, at the tender age of 15, he worked to pay for his high school studies and